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The Pavement Serviceability Index (pSn is used by New Mexico Department of Transportation(NMDOT) to express the serviceability level of a pavement section at the network level. The PSIis calculated with distress ratings (including rutting) and roughn...

The New Mexico Department of Transportation (NMDOT) has a program to collect distress data through visual surveys and uses this information at the network level, together with roughness and rutting data, to calculate its pavement serviceability index...

This is the Reference Manual and Participants Workbook for the FHWA NHI's Course No. 132040 - Geotechnical Aspects of Pavements. The manual covers the latest methods and procedures to address the geotechnical issues in pavement design, construction a...

Transportation agencies face more and more severe challenges in preserving highway pavement with the current budget shortfalls in addition to the growing traffic volume and the loss of technical experts caused by personnel retirements. Efficient pave...